1. One-Stop Solution in Device Networking
SENA
One-Stop Solution in Device Networking
Secure Terminal Server, STS Series
March, 2004
March, 2002

2. Table of Contents Overview Functions & Features Operation modes
Security
PC Card support
Event handling
Data logging

3. Overview (1) Linux-based Open platform (kernel 2.4.2)
Supports 8/16 serial port (RS232)
1 PCMCIA slot
ATA flash memory, LAN/WLAN, PSTN/CDMA Modem
Flexible host mode mode
TCP/UDP single/multi-session support
Primary/Secondary host support
Powerful Security
Industry-standard encryption support
SSL, TLS
Encryption algorithm support
3DES, RC4

4. Overview (2) Connections Remote Host Host (STS) Device
Any device with serial interface
RS-232
LAN
Wireless (802.11b)
PSTN
Mobile (CDMA)

5. Functions & Features Operation modes Data logging Event handling
Security
PC Card support

6. Operation modes (1) Addressing box IP STS
or sts.sena.com
Dynamic
DNS
...
Port #1
Port #2
7001
7002
TCP/UDP port
When access the box
Telnet or sts.sena.com
or sts.sena.com
When access the serial port
, 7001 or
sts.sena.com, 7001

7. Various operation modes
Remote host
TCP/UDP
device
TCP/UDP socket
Remote host
modem emulation
DTE
TCP socket
Dial-in/out mode
Remote host
modem
TCP socket
modem
DTE

8. Operation mode (3) Multiple remote hosts
Up to 16 Remote destinations
Total 32 connections per serial port
Total 16 outgoing connections allowed
If connection to the primary fails, STS tries to connect the secondary remote host. (TCP mode)
Most suitable for multiple remote device monitoring application (Bi-directional)
Secondary
(back up to the primary)
Primary
Device
Secondary
Primary

9. Security Serial data encryption Secured Web interface IP filtering
SSL v2 & v3, TLS
Supports encrypted key file
Option to authenticate clients using the client's certificate in server mode
Option to configure chain depth
Option to compare certificate common name with host
3DES, RC4
Static Key encryption
Secured Web interface
HTTPS
IP filtering
serial port based IP filtering
box based IP filtering
Secured file uploading
SCP

10. PC Card support http://www.sena.com/products/by_name/sts/pc_card/
Category
Manuf.
Model
Name in STS
Spec.
Ethernet
3Com
3CXE589ET-AP
3Com Megahertz 589E
TP/BNC LAN PC Card
10Mbps LAN card
LinkSys
EtherFast PCM10
LinkSys EtherFast PCM100
LAN PC Card
10/100Mbps LAN card
ATA flash
Advantech
CompactFlash
CF 48M
48MB
SanDisk
SDP series
SunDisk SDP 5/3 0.6
64MB
Kingston
CompactFlash Storage Card
TOSHIA THNCF064MAA
Viking
TOSHIA THNCF064MBA
Wireless LAN
Cisco
AIR-PCM340 Aironet 340
Cisco Systems 340 Series Wireless LAN Adapter
11Mbps WiFi
Linksys
Linksys Etherfast 10/100 Integrated PCCard (PC100)
Linksys Etherfast 10/100 Integrated PCCard (PC100) ver1.0
10/100 Mbps LAN card
Modem
Billionton Systems Inc.
FM56C series
PCMCIA CARD 56K FaxModem FM56C-NFS 5.41
Ambient(Intel) V.90 FAX/Modem PCCard
PC Card Modem 56K
Viking V.90 K56flex 021 A
Modem PCCard
KINGMAX
KIT PCMCIA 56K Fax/Modem Card
CIRRUS LOGIC 56K MODEM CL-MD56XX 5.41
V.90 FAX/Modem PCCard
CDMA
GTRAN
DotSurfer GPC-2000
KTF

11. Event handling Event filtering and notification procedure STS Device
SNMP trap
reaction
data stream
message packaging
filter
(SMS)
Reaction

12. Data logging Data logging locations Ethernet SYSLOG server NFS server
STS
internal Memory (RAM)
Storage PCMCIA card

13. Web Address: http://www.sena.com 210 Yangjae-dong Seocho-gu
Point of Contact
Sena Technologies, Inc.
Phone:
Fax:
Web Address:
210 Yangjae-dong Seocho-gu
Seoul , South Korea
Tell
Demo is open.
Sun and Linux server are attached to the VTS serial ports.